AREA OF A PARALLELOGRAM We come across many shapes other than squares and rectangles. How will you find the area of a land which is a parallelogram in shape? Let us find a method to get the area o
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AREA OF A TRIANGLE A gardener wants to know the cost of covering the whole of a triangular garden with grass. In this case we need to know the area of the triangular region. Let us fin
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CIRCLES A racing track is semi-circular at both ends (Fig 9.18). Can you find the distance covered by an athlete if he takes two rounds of a racing track? We need to find a method to find
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Area of Circle Consider the following: A farmer dug a flower bed of radius 7 m at the centre of a field. He needs to purchase fertiliser. If 1 kg of fertiliser is required for 1 square metre
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